#include <bits/stdc++.h>
using namespace std;
int n, a[100010];

int main() {
	freopen ("duel.in", "r", stdin);
	freopen ("duel.out", "w", stdout);
	cin >> n;
	for (int x; n--; a[x]++)
		cin >> x;
	cout << *max_element (a, a + 100010);

	return 0;
}
